Published Release Notes

Data flow preview size is fixed to 10

The Preview option for each shape in data flows returns the first 10 records. This value is fixed and currently cannot be changed.

Data Flow transformation shapes cannot be used in combination with the Compose or Merge shapes

When you reference another data flow from a data flow that contains the Compose or Merge shape, the referenced data flow cannot contain transformation shapes (EventStrategy, Decision strategy, Convert).

Data flow validation does not currently prevent you from designing a data flow that goes against this design pattern. Make sure that your data flows follow this design pattern by checking the referenced and referencing data flows.

Data flow destination is resolved at assembly time

Data flow execution always uses the design-time destination data sets or destination data flows, regardless of the input records at run time.

Example:

You create a data flow and set the destination to a specific data set. In the data flow, you use a strategy that produces some results. Regardless of these results, the execution of your data flow always uses the destination data set that you specified when you designed the data flow.    

The same applies when you set the destination to a data flow.

Creating data page unit tests in Internet Explorer 8

When creating data page unit tests, selecting a parent property does not automatically select the child properties when using Internet Explorer 8.

Page and page list properties to be included in a data page unit test are selected on the Create test screen by selecting a check box next to the property name. Normally, selecting the check box of a parent property automatically selects all subsequent child properties as well. When using Internet Explorer 8, child properties are not automatically selected when the parent property's check box is selected.

The solution requires selecting all of the desired child properties individually. Select the check box next to each child property to include it in the data page unit test.

Problem with truncating Decision Data Store data set

The Truncate operation for the Decision Data Store data set may cause timeout exceptions. This problem is caused by the Apache Cassandra database that waits until compaction tasks finish before it can truncate the data set.

Recommendation:

Repeat the Truncate operation until it is successful.

Unable to create text analytics models when Java 2 Security is enabled

Security exceptions that prevent you from creating text analytics models are caused by the Java 2 Security feature that is enabled at the JVM level. This feature denies access to the text analytics resources that are required for text parsing functions.

Creating a text analytics model results in a failure because of a number of security-related exceptions, for example:

java.security.AccessControlException: Access denied ("java.lang.RuntimePermission""createSecurityManager")

The suggested approach for avoiding this problem is to use the text analytics models that are provided by default, for example, pySentimentModels, pyTelecomTaxonomy, and so on.

For more information, see Text Analyzer.

Extension attributes are not supported in PMML models

Models in the Predictive Model Markup Language (PMML) format version 4.3 that contain extension attributes with the x- prefix are not valid. These extension attributes are deprecated; you must use extension elements instead. In addition, if the output type of any output field in the model is set to FLOAT, change it to DOUBLE.

For more information, see PMML 4.3 - General Structure in the Data Mining Group documentation.

Precision of Oracle Timestamp property when using RDB-Save

DateTime properties that are mapped to an Oracle Timestamp column will experience a loss of precision when they are saved using the RDB-Save method. When you use RDB-Save for an Oracle Timestamp, precision will be accurate to the second. For example, a value of 20171119T124745.006 will be saved as 20171119T124745. When you use Obj-Save, precision will be accurate to the millisecond. For more information, see DateTime property mapping in Oracle for Pega 7.

The Upload responses action is not supported for adaptive models with customized context

A default instance of the Adaptive Model rule contains five model identifiers (.pyIssue, .pyGroup, .pyName, .pyDirection, .pyChannel) that are used to partition adaptive models. If you add other identifiers in your Adaptive Model rule instance, you cannot upload responses to this instance with the Upload Responses wizard and the following error is displayed: The Flow Action post-processing activity pzUploadCSVFile failed: Cannot parse csv file.You can still train such adaptive models with data flows.

For more information, see Training adaptive models in bulk with data flows, Model context, and Uploading customer responses.

Use fast processing option does not work

The Use fast processing option on Connect REST and Service REST rule forms does not work unless you obtain the HFix-43000 hotfix from Global Customer Service.

Use the following data model guidelines when using fast processing:

• The JSON property names and the clipboard property names must match.
• The JSON tree structure and the clipboard tree structure must be similar.
• The scalar arrays in JSON must be mapped to the clipboard as page lists.
• Multi-dimensional arrays must be mapped into page lists of page lists with the same embedded property names.

​In addition, page groups, value groups, and Java objects are not supported by fast processing.